Dell has added the Ryzen 7 5800X3D to the list of processors that it offers for the Alienware Ryzen Edition R14. Starting at US$2,949, the Ryzen 7 5800X3D is available with several GPU and RAM options, among other configurable components.
https://www.notebookcheck.net/Dell-Alienware-Ryzen-Edition-R14-receives-AMD-Ryzen-7-5800X3D-option-with-AMD-and-NVIDIA-GPUs.614929.0.html